H-ISAC TPL White: Finished Intelligence Reports HC3 Threat intelligence Briefing Evolution of Ryuk April 8, 2021

Please see the attached weekly threat intelligence briefing from the HHS Health Sector Cybersecurity Coordination Center (HC3). This week's briefing is on Evolution of Ryuk and covers the following topics: 

• What is Ryuk?
• A New Ryuk Variant Emerges in 2021
• Progression of a Ryuk Infection
• Infection Chains
• Incident: Late September Attack on a Major US Hospital Network
• Incident: Late October Attack on US Hospitals
• UNC1878 – WIZARD SPIDER
• Danger to the HPH Sector
• Mitigations and Best Practices